ITEM NAME:Multi - functional digital current DIN rail Supply voltage Display Voltmete R1V6 Multi - functional digital current DIN rail Supply voltage Display Voltmete R1V6 Shows the voltage, current and power simultaneously by digital LED tube; Wide range of measuring voltage and current. DIN rail installation and easy measurement, simply connect the power and bring the cable through the hole. Compatible with all electrical appliances at home, allowing you to control your electric status in real time. Supports to remind you to turn off high-power appliances, prevention of security problems and saving electricity. Easy to install on a DIN rail. High precision, easy to use. Made of high grade ABS material, safe, reliable and durable. The DIN Rail Power Tension Current ammeter can measure voltage AC and DC, and calculate the active power, reactive power and power  factor at the same time Color: white Precision: 1%, +/- 2 words Displayer: AC voltage and current with 0.31inches 4-digial LED; active power, power factor and reactive power with 0.31inches 5-digial LED Range: AC Voltage 80.0-300.0V; AC 0-100.0A; active power: AC voltage 80.0-300.0V: 0-30000W; reactive power: 80.0-300.0V: 0-30000VA; Power factor: 1.000 -0.000 The speed of measurement: About 2 times per second Mounting width: = 3P (DZ47 / C45, the position switch air) Shape installation: Din-rail (DIN universal rail market, not included) Product dimensions: 54 * 80 * 64mm / 2.1 * 3.1 * 2.5 inches Weight: 110g / 3.84 oz material: plastic package List: 1 * Power Meter voltmeter ammeter 1 * User Manual (English) Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm..Easy to install on a DIN rail. High precision, easy to use. Shape installation: Din-rail (DIN universal rail market, not included). Mounting width: = 3P (DZ47 / C45, the position switch air).